MDM General Contractors: ADU Building Services in San Bernardino
Building an accessory dwelling unit (ADU) is one of the more practical investments a homeowner can make. A well-constructed ADU can increase property value, generate rental income, and provide flexible living space for family members, guests, or a home office. MDM General Contractors, a fully licensed and insured general contractor based in the San Bernardino area, offers end-to-end ADU construction services designed to guide homeowners through every phase of the process.
As an experienced ADU contractor, MDM General Contractors handles projects from initial planning through final city inspection. Their approach covers zoning analysis, utility assessments, architectural design, permitting, and construction — keeping the process organized and code-compliant throughout.
What the ADU Build Process Looks Like
MDM General Contractors follows a structured process for each accessory dwelling unit project:
- Site & Zoning Analysis: They evaluate the property's zoning regulations and utility requirements to develop a viable, budget-conscious plan before any work begins.
- Custom Design & 3D Renderings: Their in-house designer works with clients to create architectural plans and 3D renderings, giving homeowners a clear picture of the finished unit before construction starts.
- Permit Management: MDM handles the full permit submittal and approval process, securing all required building and safety permits on behalf of the client.
- Site Preparation & Foundation: The team clears the lot, installs utility lines, and pours a foundation built to support the new structure properly.
- Framing & Systems Installation: Structural framing is completed alongside the installation of plumbing, electrical, and HVAC systems.
- Interior Finishes & Final Inspection: All interior work is completed and the unit is brought through final city inspections, delivering a move-in-ready space.
Clients also have access to an in-house showroom where they can explore materials, finishes, and layout options before making decisions. This helps homeowners make informed choices suited to their space and budget.
Additional Services Offered by MDM General Contractors
Beyond ADU construction — which includes detached ADU builds, garage conversions, granny flat construction, and in-law suite additions — MDM General Contractors offers a broad range of residential and commercial construction services:
- New home construction
- Home additions and room additions
- Full home remodeling
- Kitchen and bathroom remodeling
- Fireplace installation
- Exterior wall work
- Commercial construction
- Fire rebuild and smoke damage repair
- ADA compliance work
- Architecture and engineering services
- 3D design and virtual walkthroughs
- Earthquake retrofit
- Landscaping and hardscaping
MDM General Contractors emphasizes clear communication, defined timelines, and detail-oriented workmanship across all of their projects. Whether a client is looking to build a backyard cottage, a Casita, or undertake a larger remodel, their team manages the project with a dedicated point of contact to keep things on track from start to finish.
For homeowners in the San Bernardino region considering an ADU or any other construction project, MDM General Contractors offers a structured, professionally managed approach backed by proper licensing and insurance.
